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Finding the Fourth Proportional to 360.62, 536.60 and 359.40

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Solution

The fourth proportional to 360.62, 536.60 and 359.40 is: 534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.62 : 536.60 = 359.40 : x
  2. Step 2: Convert to fraction form
    360.62/536.60 = 359.40/x
  3. Step 3: Cross multiply
    360.62x = 536.60 × 359.40
  4. Step 4: Simplify right side
    360.62x = 192,852.24
  5. Step 5: Solve for x
    x = 192,852.24/360.62
  6. Step 6: Final answer
    x = 534.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.